Submission #727412

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
727412	2023-04-20 15:49:04	model_code	Two Currencies (JOI23_currencies)	C++17	100 / 100	1971 ms	42208 KiB

currencies

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#include <iostream>
#include <vector>
#include <queue>
#include <utility>
#include <algorithm>
const int LOG = 18;
template <typename T>
struct binary_indexed_tree{
  int N;
  std::vector<T> BIT;
  binary_indexed_tree(int N): N(N), BIT(N + 1, 0){
  }
  void add(int i, T x){
    i++;
    while (i <= N){
      BIT[i] += x;
      i += i & -i;
    }
  }
  T sum(int i){
    T ans = 0;
    while (i > 0){
      ans += BIT[i];
      i -= i & -i;
    }
    return ans;
  }
};
int main(){
  int N, M, Q;
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 28 / 28
• Subtask 3: 30 / 30
• Subtask 4: 32 / 32